A direct projection from the perirhinal cortex (area 35) to the subiculum in the rat
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Cited by (97)
Hippocampal Formation
2015, The Rat Nervous System: Fourth EditionFunctional diversity along the transverse axis of hippocampal area CA1
2014, FEBS LettersCitation Excerpt :However, while entorhinal cortex definitely provides the major cortical input to the hippocampus, it should not be forgotten that there are some additional connections that might also give rise to some of the functional distinction along the transverse axis of CA1. The postrhinal cortex has direct inputs to the most proximal part of CA1 [49], whereas the perirhinal cortex innervates the distal-most part of CA1 [50,51]. Considering a role for the postrhinal cortex in visual- or spatial information processing [52,53] and that of the perirhinal cortex in object recognition [54,55], these two regions may contribute to the difference in functional correlates between proximal and distal CA1.
Hippocampal Formation
2012, The Human Nervous System, Third EditionThe rat perirhinal cortex: A review of anatomy, physiology, plasticity, and function
2011, Progress in NeurobiologyCitation Excerpt :However, the monosynaptic projection from the perirhinal cortex to the area CA1 has also been shown to be capable of sustaining LTP (Liu and Bilkey, 1996b) and this LTP is NMDA receptor-dependent (Liu and Bilkey, 1996a) which strengthens the case considerably for this projection being capable of sending information directly to the hippocampus from the perirhinal cortex. Despite there being no monosynaptic input from the perirhinal cortex to the dentate gyrus (Kosel et al., 1983; McIntyre et al., 1996), an indirect, polysynaptic projection from the perirhinal cortex to the dentate gyrus has been shown to be capable of sustaining LTP in the freely moving rat (Ivanco and Racine, 2000). In addition to the direct projection to the hippocampus, the perirhinal cortex can also exert an indirect electrophysiological influence in area CA1 through the entorhinal cortex (Naber et al., 1999); stimulation of the perirhinal cortex leads to an enhancement of entorhinal-induced fEPSPs in the area CA1 (Liu and Bilkey, 1996b).
Contribution of the dorsal subiculum to memory for temporal order and novelty detection using objects, odors, or spatial locations in the rat
2010, Neurobiology of Learning and MemoryLesions of the dorsal subiculum and the dorsal hippocampus impaired pattern separation in a task using distinct and overlapping visual stimuli
2009, Neurobiology of Learning and Memory
This research was supported by Grant NS 14944 to G.W.V.H. and BNS 79-214099 to D.L.R.
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The authors wish to thank the staff of both laboratories for their technical assistance.